XML 149 R48.htm IDEA: XBRL DOCUMENT v3.22.4
Summary of Significant Accounting Policies - Estimated Useful Life of Property, Plant and Equipment (Detail)
12 Months Ended
Dec. 31, 2022
Land improvements  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 10 years
Plant and buildings | Minimum  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 5 years
Plant and buildings | Maximum  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 15 years
Real estate properties | Minimum  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 10 years
Real estate properties | Maximum  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 40 years
Railroad and sidings  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 30 years
Vehicles | Minimum  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 3 years
Vehicles | Maximum  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 5 years
Machinery, equipment and tooling | Minimum  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 3 years
Machinery, equipment and tooling | Maximum  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 15 years
SmartSystems | Minimum  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 5 years
SmartSystems | Maximum  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 15 years
Furniture and fixtures | Minimum  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 3 years
Furniture and fixtures | Maximum  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 10 years
Deferred mining costs  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 3 years